<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>hello_react</title>
</head>
<body>
    <!-- 准备一个容器 -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom，支持react操作dom -->
    <script src="../js/react-dom.development.js"></script>
    <!-- 引入babel，将jsx转为js -->
    <script src="../js/babel.min.js"></script>

    <script type="text/babel">/*此处写babel*/ 
        //1.创建虚拟DOM
        const VDOM = (/*此处不加引号,因为不用字符串 */
            <h1>
                <span>Hello,react</span>
            </h1>
        )
        //2.渲染虚拟DOM到页面
        ReactDOM.render(VDOM,document.getElementById('test'));
    </script>
  <!-- // js创建虚拟DOM
    <script type="text/javascript">
         const VDOM2 = React.createElement('h1',{id:title},React.createElement('span',{},'Hello,React'));
     </script>-->
</body>
</html>